diff --git a/integration_test/duniter/data/gecko_config.json b/integration_test/duniter/data/gecko_config.json
index 769fdf7..0ae76b2 100644
--- a/integration_test/duniter/data/gecko_config.json
+++ b/integration_test/duniter/data/gecko_config.json
@@ -1,7 +1,15 @@
 {
   "ud": 1000,
-  "first_ud": 6000,
-  "first_ud_reeval": 600000,
+  "first_ud": null,
+  "first_ud_reeval": null,
+  "genesis_parameters": {
+    "genesis_certs_expire_on": 1000,
+    "genesis_certs_min_received": 2,
+    "genesis_memberships_expire_on": 1000,
+    "genesis_smith_certs_expire_on": 1000,
+    "genesis_smith_certs_min_received": 2,
+    "genesis_smith_memberships_expire_on": 100000
+  },
   "parameters": {
     "babe_epoch_duration": 30,
     "cert_period": 15,
@@ -11,6 +19,7 @@
     "idty_confirm_period": 40,
     "idty_creation_period": 50,
     "membership_period": 1000,
+    "membership_renewal_period": 1000,
     "pending_membership_period": 500,
     "ud_creation_period": 10,
     "ud_reeval_period": 50,
@@ -19,6 +28,7 @@
     "smith_cert_min_received_cert_to_issue_cert": 2,
     "smith_cert_validity_period": 1000,
     "smith_membership_period": 1000,
+    "smith_inactivity_max_duration": 1000,
     "smith_pending_membership_period": 500,
     "smith_wot_first_cert_issuable_on": 4,
     "smith_wot_min_cert_for_membership": 3,
@@ -30,7 +40,8 @@
     { "name": "test1" },
     { "name": "test2" },
     { "name": "test3" },
-    { "name": "test4" }
+    { "name": "test4" },
+    { "name": "Alice" }
   ],
   "sudo_key": "5FeggKqw2AbnGZF9Y9WPM2QTgzENS3Hit94Ewgmzdg5a3LNa",
   "treasury_funder_address": "5FeggKqw2AbnGZF9Y9WPM2QTgzENS3Hit94Ewgmzdg5a3LNa",
diff --git a/integration_test/duniter/data/gecko_data.json b/integration_test/duniter/data/gecko_data.json
index ebe8138..10f6d3c 100644
--- a/integration_test/duniter/data/gecko_data.json
+++ b/integration_test/duniter/data/gecko_data.json
@@ -1,87 +1,107 @@
 {
-  "initial_monetary_mass": 80100,
+  "initial_monetary_mass": 90100,
+  "current_block": {
+    "number": 0,
+    "medianTime": 1700000000
+  },
   "identities": {
     "test1": {
-      "index": 0,
+      "index": 7,
       "balance": 10000,
-      "membership_expire_on": 1705509948,
-      "next_cert_issuable_on": 1668347505,
+      "membership_expire_on": 2700000000,
+      "next_cert_issuable_on": 0,
       "certs_received": {
-        "test2": 1727758466,
-        "test3": 1727758466,
-        "test4": 1727758466
+        "test2": 2700000000,
+        "test3": 2700000000,
+        "test4": 2700000000
       },
       "owner_pubkey": "BgC76sdA6zxPSAMW6sZ1e3NEntLrkLT8DY3z2MEmJJgK"
     },
     "test2": {
       "index": 1,
       "balance": 10000,
-      "membership_expire_on": 1705509948,
-      "next_cert_issuable_on": 1668347505,
+      "membership_expire_on": 2700000000,
+      "next_cert_issuable_on": 0,
       "certs_received": {
-        "test1": 1727758466,
-        "test3": 1727758466,
-        "test4": 1727758466
+        "test1": 2700000000,
+        "test3": 2700000000,
+        "test4": 2700000000
       },
       "owner_pubkey": "6xNFhRFHKyx9iZ3ucc3AFf5cjsWw5jH3p6EnFXw3D8T6"
     },
     "test3": {
       "index": 2,
       "balance": 10000,
-      "membership_expire_on": 1705509948,
-      "next_cert_issuable_on": 1668347505,
+      "membership_expire_on": 2700000000,
+      "next_cert_issuable_on": 0,
       "certs_received": {
-        "test1": 1727758466,
-        "test2": 1727758466,
-        "test4": 1727758466
+        "test1": 2700000000,
+        "test2": 2700000000,
+        "test4": 2700000000
       },
       "owner_pubkey": "BpSSPEVE1yze9wrfjkU4wfnFa7WgKNysHxe3H9iT9fvx"
     },
     "test4": {
       "index": 3,
       "balance": 10000,
-      "membership_expire_on": 1705509948,
-      "next_cert_issuable_on": 1668347505,
+      "membership_expire_on": 2700000000,
+      "next_cert_issuable_on": 0,
       "certs_received": {
-        "test1": 1727758466,
-        "test2": 1727758466,
-        "test3": 1727758466
+        "test1": 2700000000,
+        "test2": 2700000000,
+        "test3": 2700000000
       },
       "owner_pubkey": "5LqbvutJtRTHvnforyndwPbkC4Kf5cJtdRQaDcHoMi8S"
     },
     "test5": {
       "index": 4,
       "balance": 10000,
-      "membership_expire_on": 1705509948,
-      "next_cert_issuable_on": 1668347505,
+      "membership_expire_on": 2700000000,
+      "next_cert_issuable_on": 0,
       "certs_received": {
-        "test1": 1727758466,
-        "test2": 1727758466,
-        "test3": 1727758466
+        "test1": 2700000000,
+        "test2": 2700000000,
+        "test3": 2700000000
       },
       "owner_pubkey": "6FgzG8NwatTWHo7rM7sPP6P4Q95R2ZQNqYiHCs38RT21"
     },
     "test6": {
       "index": 5,
       "balance": 10000,
-      "membership_expire_on": 1705509948,
-      "next_cert_issuable_on": 1668347505,
+      "membership_expire_on": 2700000000,
+      "next_cert_issuable_on": 0,
       "certs_received": {
-        "test1": 1727758466
+        "test1": 2700000000
       },
       "owner_pubkey": "FZ8URw5rPqpWegWnufpcBDkg6tMpc2JmNZVCuPA9g3nq"
     },
     "testCesium1": {
       "index": 6,
       "balance": 10000,
-      "membership_expire_on": 1705509948,
-      "next_cert_issuable_on": 1668347505,
+      "membership_expire_on": 2700000000,
+      "next_cert_issuable_on": 0,
       "certs_received": {
-        "test1": 1727758466,
-        "test2": 1727758466,
-        "test3": 1727758466
+        "test1": 2700000000,
+        "test2": 2700000000,
+        "test3": 2700000000
       },
       "owner_pubkey": "DCovzCEnQm9GUWe6mr8u42JR1JAuoj3HbQUGdCkfTzSr"
+    },
+    "Alice": {
+      "index": 8,
+      "balance": 10000,
+      "certs_received": {
+        "test1": 2700000000,
+        "test2": 2700000000,
+        "test3": 2700000000,
+        "test4": 2700000000,
+        "test5": 2700000000,
+        "test6": 2700000000,
+        "testCesium1": 2700000000
+      },
+      "owner_address": "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY",
+      "membership_expire_on": 2700000000,
+      "next_cert_issuable_on": 0
     }
   },
   "wallets": {